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Norm
ÖVE/ÖNORM EN 61643-21
Ausgabedatum: 2013 08 01
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods (IEC 61643-21:2000 + Corr.:2001 + A1:2008, mod. + A2:2012) (english version)
This International Standard is applicable to devices for surge protection of telecommunications
and signalling networks against indirect and direct effects of lightning ...
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Herausgeber:
Austrian Standards International
Format:
Digital | 102 Seiten
Sprache:
Englisch
Fachgebiete
Electric & lighting engineering, Power transmission and distribution networks, Substations. Surge arresters
Electric & lighting engineering, Power transmission and distribution networks, Power transmission and distribution networks
Electric & lighting engineering, Electrical accessories, Fuses and other overcurrent protection devices
This International Standard is applicable to devices for surge protection of telecommunications
and signalling networks against indirect and direct effects of lightning or other transient
overvoltages.
The purpose of these SPDs is to protect modern electronic equipment connected to
telecommunications and signalling networks with nominal system voltages up to 1 000 V
(r.m.s.) a.c. and 1 500 V d.c.
ÖVE/ÖNORM EN 61643-21
2013 08 01
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunicat...
Norm
↖
ÖVE/ÖNORM EN 61643-21
2010 05 01
Überspannungsschutzgeräte für Niederspannung - Teil 21: Überspannungsschutzgeräte für den Einsatz in...
Norm
ÖVE/ÖNORM EN 61643-21
2010 05 01
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunicat...
Norm
ÖVE/ÖNORM EN 61643-21
2002 05 01
Überspannungsschutzgeräte für Niederspannung - Teil 21: Überspannungsschutzgeräte für den Einsatz in...
Norm